| 1 | Sora Sato | 44.87 | 46.33 | 47.70 44.87 45.46 51.53 45.84 |
| 2 | Bryan Eng | 47.24 | 56.16 | 58.65 59.96 50.51 59.31 47.24 |
| 3 | Finn Trass | 53.40 | 57.59 | 59.73 57.84 55.34 59.60 53.40 |
| 4 | Cass Hopkins | 55.36 | 59.63 | 56.95 1:02.25 55.36 1:00.18 1:01.75 |
| 5 | Alena Weiley | 1:00.52 | 1:02.55 | 1:01.31 1:04.35 DNF 1:00.52 1:02.00 |
| 6 | Harrison Jonathan Newbery-Chunn | 1:00.18 | 1:03.07 | 1:01.57 1:09.38 1:03.26 1:04.39 1:00.18 |
| 7 | James Kirschner | 1:02.09 | 1:08.37 | 1:10.02 1:03.52 1:12.29 1:02.09 1:11.58 |
| 8 | Caleb Clark | 1:06.41 | 1:09.18 | 1:14.07 1:08.92 1:08.72 1:06.41 1:09.91 |
| 9 | Kent Thomson | 1:01.35 | 1:09.27 | 1:10.89 1:09.10 1:08.84 1:09.86 1:01.35 |
| 10 | Joshua Wong | 1:00.71 | 1:09.55 | 1:05.88 1:14.45 1:09.52 1:00.71 1:13.26 |
| 11 | Elias Chong | 1:02.44 | 1:12.29 | 1:12.34 1:02.44 1:16.13 1:19.42 1:08.39 |
| 12 | Aaron Rattanachaipipat | 1:06.49 | 1:14.03 | 1:11.74 1:12.98 1:06.49 1:17.38 1:19.80 |
| 13 | James Lam | 1:18.90 | 1:22.62 | 1:33.41 1:27.75 1:20.18 1:19.94 1:18.90 |
| 14 | Akito Koike | 1:20.17 | 1:27.64 | 2:40.03 1:30.94 1:20.17 1:30.90 1:21.08 |
| 15 | Edan Andrew Feeney | 1:18.30 | 1:32.15 | 1:37.92 1:18.30 1:35.31 1:31.87 1:29.26 |
| 16 | Harry Adler | 1:23.42 | 1:34.76 | 1:31.85 1:33.69 1:23.42 DNF 1:38.74 |
| 17 | Benjamin J. Olvida | 1:32.14 | 1:36.13 | 1:38.42 1:49.14 1:32.14 1:33.32 1:36.64 |
| 18 | Kenta Duong | 1:33.64 | 1:39.24 | 1:46.10 1:35.45 1:41.00 1:33.64 1:41.26 |
| 19 | Xander McSherry | 1:32.40 | 1:39.90 | 1:40.91 1:40.02 1:38.78 1:44.70 1:32.40 |
| 20 | Dominic Allas | 1:40.90 | 1:48.71 | 1:47.19 DNF 1:40.90 1:44.21 1:54.74 |
| 21 | Jacob Davy | 1:41.82 | 1:49.11 | 1:51.94 1:51.88 1:46.67 1:48.78 1:41.82 |
| 22 | Conan Prokopovich | 1:41.54 | 1:49.75 | 1:45.38 1:41.54 1:48.93 1:59.42 1:54.94 |
| 23 | Hamilton Mui | 2:03.41 | — | 2:03.41 2:20.20 — — — |
| 24 | Jeremiah Cass | 2:09.47 | — | 3:00.47 2:09.47 — — — |
| 25 | Marcus Orton | 2:09.51 | — | 2:24.18 2:09.51 — — — |
| 26 | Reece Zhang | 2:11.87 | — | 2:18.70 2:11.87 — — — |
| 27 | Louis Swan | 2:18.33 | — | 2:38.01 2:18.33 — — — |
| 28 | Tom Selby | 2:27.79 | — | 2:59.41 2:27.79 — — — |
| 29 | Emerson Owen | 2:29.07 | — | 2:38.96 2:29.07 — — — |
| 30 | Xavier Conradi | 2:32.34 | — | 2:32.34 2:49.99 — — — |
| 31 | Charlie Ford | 2:38.74 | — | 3:26.54 2:38.74 — — — |
| 32 | Terence Wang | 2:39.32 | — | 2:44.71 2:39.32 — — — |
| 33 | Tomas Cetina Bernal | 3:07.18 | — | 3:07.18 DNF — — — |
| 34 | Tiana Panaia | 3:12.80 | — | 3:48.65 3:12.80 — — — |
| 35 | Alan Ornelas | 3:38.55 | — | DNF 3:38.55 — — — |
| 36 | Finn Burke | 3:40.90 | — | 3:40.90 DNF — — — |
| 37 | Aidan Smyth | 3:41.62 | — | 3:41.62 3:46.56 — — — |
| 38 | Kaito Farrell | 3:54.59 | — | 3:54.59 DNF — — — |
| 39 | Freddy White | DNF | — | DNF DNF — — — |
| 39 | Jack Brischetto | DNF | — | DNF DNF — — — |
| 39 | Finn McGhee | DNF | — | DNF DNF — — — |